Possible Clues:

• Cold and served in aspic, say
• Say spinning top is cold
• Chilly
• Very cold, like eels in East London, say
• Glacial
• Icy cold — glide (anag)
• Frigid upper-class girl with little money once
• Frozen like eels, say?
• Some eels are said to be cold
• Icy, very cold